Finding the Fourth Proportional to 4,640,495.16, 6,403,786.97 and 2,575,390.74
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Solution
The fourth proportional to 4,640,495.16, 6,403,786.97 and 2,575,390.74 is: 3,553,985.75
Step by Step Solution
- Step 1: Write the proportion equation
4,640,495.16 : 6,403,786.97 = 2,575,390.74 : x - Step 2: Convert to fraction form
4,640,495.16/6,403,786.97 = 2,575,390.74/x - Step 3: Cross multiply
4,640,495.16x = 6,403,786.97 × 2,575,390.74 - Step 4: Simplify right side
4,640,495.16x = 16,492,253,669,909.14 - Step 5: Solve for x
x = 16,492,253,669,909.14/4,640,495.16 - Step 6: Final answer
x = 3,553,985.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.